12451441024 has 64 divisors (see below), whose sum is σ = 27504467280. Its totient is φ = 5566924800.

The previous prime is 12451440961. The next prime is 12451441027. The reversal of 12451441024 is 42014415421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 12451440983 and 12451441001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451441027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13402 + ... + 158374.

Almost surely, 2^12451441024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12451441024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13752233640).

12451441024 is an abundant number, since it is smaller than the sum of its proper divisors (15053026256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12451441024 is a wasteful number, since it uses less digits than its factorization.

12451441024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145059 (or 145047 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 12451441024 its reverse (42014415421), we get a palindrome (54465856445).

The spelling of 12451441024 in words is "twelve billion, four hundred fifty-one million, four hundred forty-one thousand, twenty-four".